Gallienus, AE23 of Cotiaeum, Phrygia. Magistrate: Diogenous Dionysiou.

Obv: AYT K P L GALLIHNO, radiate, draped, cuirassed bust right.
Rev: EPI DIOGENOYC DIONY, KOTIAEWN below, A-RX across fields, Kybele riding right on a lion back. 

SNG Cop 342; SNG von Aulock 3794; SNG Munich 338; BMC 105.

With permission of www.slaveycoins.com, March 2011.